EPA Method 547 Analyte Back Catalog number: 30046 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51179 GRO Standard - TN & MS Price on request 1138.18-10MG n-Octadecane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 593-45-3 Price on request 0464.16-200-T 1,3-Dimethylanthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 610-46-8 Price on request